10 moment cooldown (needs to be Google Lens translator mistake). It can be used any time you equip the Divine Spirit, there's no need to know the skill. The Dark Lord character gains practical experience details when he equips the inventory and gains knowledge details through hunting . Noticeably https://pageoftoday.com/story5152016/divine-spirit-e-dark-horse-mu-season-20-no-further-a-mystery